Horrible customer service AGAIN!

I currently have a contract with vodacom and decided to take out a second contract. So on Sunday night we decided to take a Samsung Galaxy a3 (white) because the black and gold was out of stock.About 2 min after we ordered the contract we received an SMS to say the application was approved. I phoned the call center as I had no idea how the process of a online contract works and they informed me that on Monday someone will phone me to confirm the contact and then delivery will take place between 24-48 hours. So on Monday I did not receive a call . So after trying to call every single nr I could find a lady informed me that they have been trying to contact me on a cell c nr?? So after giving her my Vodacom nr again that is on the system I received a call on Tuesday morning and was informed my phone will be here today with next day delivery via RAM. So today I want to check about how late it will arrive just to be informed the package is not with RAM yet. After getting in touch with vodacom I am informed that the phone is out of stock and I should expect delivery only after the 27th of April. How is this acceptable? Yesterday it was today today there is a 2 week wait???HELP